12Tympanum — In anatomy, the drum of the ear, the eardrum, the tympanic membrane. The tympanum resembles the head of a tiny drum. It separates the middle ear from the external ear. Etymology: The Latin term tympanum auris was introduced by Albertus Magnus… …

14tympanum — timpani, tympanum Timpani is a plural noun meaning ‘orchestral kettledrums’ (informally shortened to timps). Tympanum is the technical term for ‘eardrum’, and has the plural form tympana …